Arizona § 28-642 - Traffic control signs on state highways; rules
Full text of Arizona Arizona Revised Statutes § 28-642 — Traffic control signs on state highways; rules, with citation guidance and answers to common questions.
§ 28-642. Traffic control signs on state highways; rules
A. The director shall place and maintain traffic control devices that conform to the manual and specifications prescribed in section 28-641 on all state highways as the director deems necessary to indicate and to carry out this chapter or to regulate, warn or guide traffic.
B. A local authority shall not place or maintain a traffic control device on a highway under the jurisdiction of the director except by the director's permission.
C. In cooperation with local authorities, the director shall synchronize traffic control signals on a state highway that has a traffic flow exceeding fifteen thousand motor vehicles per day in a vehicle emissions control area as defined in section 49-541.
D. The director shall adopt rules pursuant to title 41, chapter 6 to establish criteria for the installation and maintenance of directional signs for universities prescribed in section 15-1601, for community colleges as defined in section 15-1401 and for the campus of a regionally accredited college or university.
Source: official Arizona text · Last verified 2026-08-27
Frequently Asked Questions About Arizona § 28-642
What does Arizona Revised Statutes § 28-642 cover?
Section 28-642 ("Traffic control signs on state highways; rules") is part of the Arizona Revised Statutes, the codified statutory law of Arizona. It sets out the legal rule or procedure described in the text above. Statutes are amended regularly, so always verify against the official source.
How do I cite Arizona § 28-642?
A common citation format is "Arizona Revised Statutes § 28-642" (Arizona). Legal writing may require the code abbreviation, section number, and year or edition. Match the style required by your court, professor, or publisher.
Is this the official text of Arizona law?
No. This page is for research and education and may not include the most recent amendments. For official current law, check the Arizona official source linked on this page or consult a licensed Arizona attorney.
How does Arizona § 28-642 apply to my situation?
Statutes are interpreted in context, and application depends on your specific facts. Only a licensed attorney in Arizona can advise on how this section applies to you. Contact your state or local bar association for a referral.
Sources & Verification
Not legal advice. Verify against the official source and consult a licensed attorney in Arizona.